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Table 1 Characteristics of study participants
| Characteristic | TD children | Controls | P |
|---|---|---|---|
| (n = 149) | (n = 125) | ||
| Sex (n,%) | |||
| Male | 112(75.17) | 84(67.20) | |
| Female | 37(24.83) | 41(32.80) | 0.470a |
| Age (Mean ± SD) | 8.90 ± 2.78 | 8.62 ± 2.61 | 0.220b |
| Male | 8.92 ± 2.76 | 8.92 ± 2.94 | 1.000b |
| Female | 8.84 ± 2.92 | 7.98 ± 1.99 | 0.129b |
| Age of onset (year) | 6.67 ± 2.80 | ||
| ADHD comorbidity (n,%) | |||
| TD only | 114(76.51) | ||
| TD + ADHD | 35(23.49) | ||
| YGTSS (n,%) | |||
| low score subgroup | 36(23.68) | ||
| high score subgroup | 116(76.32) | ||
